Bitcoin

noun

Bit·​coin ˈbit-ˌkȯin How to pronounce Bitcoin (audio)
variants or less commonly bitcoin
: a digital currency created for use in peer-to-peer online transactions
Introduced in 2008 by a person or group using the name Satoshi Nakamoto, Bitcoin is the most prominent of a group of virtual currencies—money that exists mainly as computer code—that have no central issuing authority.Carter Dougherty
Bitcoin … is backed by no government and has a fluctuating value linked in part to a scarcity that is mathematically predetermined.Glenn Zorpette
The venture capital industry is beginning to take a good, hard look at a new financial instrument coming out of the bitcoin community—Initial Coin Offerings, or ICOs.Richard Kastelein
also, usually bitcoin : a unit of this currency
Commercial space venture Virgin Galactic—which announced on Nov. 22 that it would start accepting bitcoins to reserve a refundable $250,000 seat on a future trip—is just the latest of many businesses that have recently embraced the decentralized virtual payment system. (At press time, 1 bitcoin was worth roughly $879.) Time

Examples of Bitcoin in a Sentence

Recent Examples on the Web
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Cryptocurrency McDonald’s won’t be considering adding Bitcoin to its coffers. Medora Lee, USA Today, 14 Apr. 2025 However, just a day later Bitcoin joined the global market rout, dropping to $74,500 on Friday morning, its lowest level since November and well below the all-time high of $109,114.88 achieved on the day of Trump's inauguration. Gordon G. Chang, MSNBC Newsweek, 8 Apr. 2025 Crypto investors and industry leaders overwhelmingly backed Trump in the 2024 election, yet the price of Bitcoin has tanked about 17.8% so far this year to about $76,839 Tuesday afternoon, following market downturns over Trump’s sweeping tariffs. Harri Weber, Quartz, 8 Apr. 2025 Lummis reintroduced her Bitcoin Act this year, proposing the U.S. buy 1 million bitcoin, around 5% of the total bitcoin supply, over five years through the sale of Fed gold certificates. Billy Bambrough, Forbes, 22 Mar. 2025 See All Example Sentences for Bitcoin

Word History

First Known Use

2008, in the meaning defined above

Time Traveler
The first known use of Bitcoin was in 2008

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Cite this Entry

“Bitcoin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Bitcoin. Accessed 22 Apr. 2025.

Last Updated: - Updated example sentences
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